IAN HOLLYER MD
NPI 1760937940
Orthopaedic Surgery in Boston, MA
About Ian Hollyer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IAN HOLLYER MD (NPI 1760937940) is an individual orthopaedic surgery provider in Boston, Massachusetts, licensed in Massachusetts (1023011) and active in the NPI registry since August 2016. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ian Hollyer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Ian Hollyer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 98 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 57 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ian Hollyer's NPI number?
The NPI number for Ian Hollyer is 1760937940. It was assigned to this individual provider in the NPPES registry on August 17, 2016.
Where is Ian Hollyer located?
Ian Hollyer practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Ian Hollyer's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Ian Hollyer enrolled in Medicare?
Yes. Ian Hollyer is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ian Hollyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Hollyer reassigns Medicare benefits to 2 organizations: Children's Orthopaedic Surgery Foundation, Inc. (Boston, MA) and Children's Sports Medicine Foundation Inc. (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ian Hollyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ian Hollyer accept?
Health plans from Anthem Blue Cross and Blue Shield list Ian Hollyer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ian Hollyer was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.